Araliphatic sulfonium and their use

  • US 5,247,113 A
  • Filed: 01/07/1991
  • Issued: 09/21/1993
  • Est. Priority Date: 01/16/1989
  • Status: Expired due to Fees
First Claim
Patent Images

1. A sulfonium salt of the formula I, II, III or IV ##STR11## in which A is C1 -C12 alkyl, C3 -C8 cycloalkyl, C4 -C10 cycloalkylalkyl, phenyl which is unsubstituted or mono- or polysubstituted by C1 -C8 alkyl, C1 -C4 alkoxy, halogen, nitro, phenyl, phenoxy, alkoxycarbonyl having 1-4 C atoms in the alkoxy radical or acyl having 1-12 C atoms, Ar, Ar1 and Ar2, independently of one another, are each phenyl which is unsubstituted or mono- or polysubstituted by C1 -C8 alkyl, C1 -C4 alkoxy, halogen, nitro, phenyl, phenoxy, alkoxycarbonyl having 1-4 C atoms in the alkoxy radical or acyl having 1-12 C atoms or is naphthyl which is unsubstituted or mono- or polysubstituted by C1 -C8 alkyl, C1 -C4 alkoxy, halogen, nitro, phenyl, phenoxy, alkoxycarbonyl having 1-4 C atoms in the alkoxy radical or acyl having 1-12 C atoms, each arylene is phenylene which is unsubstituted or mono- or polysubstituted by C1 -C8 alkyl, C1 -C.sub. 4 alkoxy, halogen, nitro, phenyl, phenoxy, alkoxycarbonyl having 1-4 C atoms in the alkoxy radical or acyl having 1-12 C atoms or naphthylene which is unsubstituted or mono- or polysubstituted by C1 -C8 alkyl, C1 -C4 alkoxy, halogen, nitro, phenyl, phenoxy, alkoxycarbonyl having 1-4 C atoms in the alkoxy radical or acyl having 1-12 C atoms and Q.sup.⊖

  • is SbF6-, AsF6- or SbF5 OH-.

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